package com.hkts.naturalgas.config;

import com.hkts.naturalgas.entity.Book;
import com.hkts.naturalgas.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;

import java.util.List;

@Configuration      //1.主要用于标记配置类，兼备Component的效果。
@EnableScheduling   // 2.开启定时任务
public class SaticScheduleTask {
    @Autowired
    private BookService bookService;
    //3.添加定时任务
    @Scheduled(cron = "0/1 * * * * ?")
    //或直接指定时间间隔，例如：5秒
    //@Scheduled(fixedRate=5000)
    private void configureTasks() {
        List<Book> findall = bookService.findall();
        for(int i=0;i<findall.size();i++){
            System.out.println(findall.get(i).getUsername());
        }
    }
}
